If your refrigerator's sliding mechanism is not moving smoothly or is jammed, the assembly rail slide-low left (DA97-17299M) might be the part you need. This genuine Samsung replacement part is designed for 26.5 and 27 cu. ft. large capacity 3-door French door refrigerators. It's an important component to maintain the functionality of your fridge's sliding parts. Remember to verify your refrigerator's model number for compatibility before purchasing.